BIOTIC Species Information for Fucus spiralis
Researched byNicola White Data supplied byMarLIN
Refereed byDr Graham Scott
General Biology
Growth formFoliose
Shrub
Feeding methodPhotoautotroph
Mobility/MovementPermanent attachment
Environmental positionEpifloral
Typical food typesNot relevant HabitAttached
BioturbatorNot relevant FlexibilityHigh (>45 degrees)
FragilityIntermediate SizeMedium-large(21-50cm)
HeightUp to 40 cm Growth Rate1.1 cm / month
Adult dispersal potentialNone DependencyIndependent
SociabilitySolitary
Toxic/Poisonous?No
General Biology Additional InformationFucus spiralis spends up to 90 percent of the time out of the water. It can tolerate a high level of desiccation, being able to survive 70 to 80 percent water loss. Distinct varieties of Fucus spiralis have been recognised, such as Fucus spiralis forma nanus, which is a dwarf form present on exposed shores. Fucus spiralis also hybridises with Fucus vesiculosus providing considerable difficulty in identification.
Biology References Niemeck & Mathieson, 1976, Fish & Fish, 1996, Scott et al., 2000,
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